Component · Analog, RF & Mixed-Signal
Instrumentation amplifier
A precision differential amplifier with very high input impedance, accurately set gain and strong common-mode rejection, typically built from three op-amps or a current-feedback topology.
It is used to amplify small sensor differences riding on large common-mode voltages.
- Also known as
- In-amp, INA
- Type
- Component
- Domain
- Analog, RF & Mixed-Signal, Amplifiers
Notes
The standard interface to strain gauges, thermocouples, shunt current sensors and biopotential electrodes.
Related terms
Part of the Analog, RF & Mixed-Signal glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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